| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a multi-wavelength semiconductor laser device which is easy to optically design, has superior heat dissipation characteristics, and is easy to manufacture. <P>SOLUTION: The multi-wavelength semiconductor laser device 100 includes a plate stem 10; a prism shaped submount 21 with a bottom face on the stem 10; a plurality of laser diodes LD31 to LD33 having emission wavelengths different from each other and mounted on lateral sides of the submount 21; and lead pins 41 to 43 penetrating the stem 10, located along and opposite edge lines 21a to 21c of the lateral sides of the submount 21, respective emission points 31a to 33a of the plurality of LDs 31 to 33 being positioned at substantially the same distance from a center axis 10z of the stem 10. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
